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A Short Note on Rhizopus

10th biology notes

Short Note on Rhizopus

 

  1. i) It is common black bread mold.

 

  1. ii) It is found growing on bread, pickle, and other food materials.

 

iii) Its spores are found every where in the air.

 

  1. iv) Its mycelium consists of many tubular, non-septate hyphae.

 

  1. v) Hyphae wall contain chitin.

 

  1. vi) The cytoplasm contains many nuclei, vacuoles and fat molecules.

 

vii) In Rhizpous three types of hyphae are found:

  1. Stolons are the hyphae, which spread along the surface of substrate on which the fungus grows.
  2. Rhizoidal hyphae penetrate the substrate with the help of enzymes and absorb digested food materials.
  3. Sporangiophores are vertical hyphae which bears sporangia at the tips.

 

viii) A large number of spores are produced in each sporangium which are dispersed by wind. When spores found suitable conditions they start growing.

 

Note: Most teachers are inclined to forgive correspondence students that they will never forgive day students. On the latter, they often look as if they were late in their childhood; for the correspondence student there is no restriction in the age, which is especially comfortable for those who receive a second or even a third education; the correspondence form of training forces the student to be more collected and independent. Now we turn to the shortcomings of correspondence education: will have to study for a year longer. But, this defect is compensated by the fact that even in the process of studying it is possible to obtain a post requiring higher education; young people will not receive a respite from the army. They will have to go through the service, leaving for the time both work and study; dare to distance learning, it means to delete from his own life a magical student’s time, when almost everything in this life is really learned for the first time; in the process of studying, you almost completely have to rely on yourself – there are not a number of teachers and comrades who can help;

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